From b7d800dd67cb7733f7d68a0b8d443c0f9a68592c Mon Sep 17 00:00:00 2001
From: Misha Brukman <brukman+llvm@gmail.com>
Date: Sun, 19 Sep 2010 03:44:22 +0000
Subject: [PATCH] Using regexp-opt for keyword regex declarations makes the
 word lists more readable and easier to edit.

llvm-svn: 114308
---
 utils/emacs/llvm-mode.el     | 17 +++++++++++------
 utils/emacs/tablegen-mode.el | 14 ++++++--------
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/utils/emacs/llvm-mode.el b/utils/emacs/llvm-mode.el
index b1af853883a..3780624b5a4 100644
--- a/utils/emacs/llvm-mode.el
+++ b/utils/emacs/llvm-mode.el
@@ -19,7 +19,7 @@
    ;; Unnamed variable slots
    '("%[-]?[0-9]+" . font-lock-variable-name-face)
    ;; Types
-   '("\\bvoid\\b\\|\\bi[0-9]+\\b\\|\\float\\b\\|\\bdouble\\b\\|\\btype\\b\\|\\blabel\\b\\|\\bopaque\\b" . font-lock-type-face)
+   `(,(regexp-opt '("void" "i[0-9]+" "float" "double" "type" "label" "opaque") 'words) . font-lock-type-face)
    ;; Integer literals
    '("\\b[-]?[0-9]+\\b" . font-lock-preprocessor-face)
    ;; Floating point constants
@@ -27,15 +27,20 @@
    ;; Hex constants
    '("\\b0x[0-9A-Fa-f]+\\b" . font-lock-preprocessor-face)
    ;; Keywords
-   '("\\bbegin\\b\\|\\bend\\b\\|\\btrue\\b\\|\\bfalse\\b\\|\\bzeroinitializer\\b\\|\\bdeclare\\b\\|\\bdefine\\b\\|\\bglobal\\b\\|\\bconstant\\b\\|\\bconst\\b\\|\\binternal\\b\\|\\blinkonce\\b\\|\\blinkonce_odr\\b\\|\\bweak\\b\\|\\bweak_odr\\b\\|\\bappending\\b\\|\\buninitialized\\b\\|\\bimplementation\\b\\|\\b\\.\\.\\.\\b\\|\\bnull\\b\\|\\bundef\\b\\|\\bto\\b\\|\\bexcept\\b\\|\\bnot\\b\\|\\btarget\\b\\|\\bendian\\b\\|\\blittle\\b\\|\\bbig\\b\\|\\bpointersize\\b\\|\\bdeplibs\\b\\|\\bvolatile\\b\\|\\bfastcc\\b\\|\\bcoldcc\\b\\|\\bcc\\b" . font-lock-keyword-face)
+   `(,(regexp-opt '("begin" "end" "true" "false" "zeroinitializer" "declare"
+                    "define" "global" "constant" "const" "internal" "linkonce" "linkonce_odr"
+                    "weak" "weak_odr" "appending" "uninitialized" "implementation" "..."
+                    "null" "undef" "to" "except" "not" "target" "endian" "little" "big"
+                    "pointersize" "deplibs" "volatile" "fastcc" "coldcc" "cc") 'words) . font-lock-keyword-face)
    ;; Arithmetic and Logical Operators
-   '("\\badd\\b\\|\\bsub\\b\\|\\bmul\\b\\|\\bdiv\\b\\|\\brem\\b\\|\\band\\b\\|\\bor\\b\\|\\bxor\\b\\|\\bset\\(ne\\b\\|\\beq\\b\\|\\blt\\b\\|\\bgt\\b\\|\\ble\\b\\|\\bge\\b\\)" . font-lock-keyword-face)
+   `(,(regexp-opt '("add" "sub" "mul" "div" "rem" "and" "or" "xor"
+                    "setne" "seteq" "setlt" "setgt" "setle" "setge") 'words) . font-lock-keyword-face)
    ;; Special instructions
-   '("\\bphi\\b\\|\\btail\\b\\|\\bcall\\b\\|\\bcast\\b\\|\\bselect\\b\\|\\bto\\b\\|\\bshl\\b\\|\\bshr\\b\\|\\bvaarg\\b\\|\\bvanext\\b" . font-lock-keyword-face)
+   `(,(regexp-opt '("phi" "tail" "call" "cast" "select" "to" "shl" "shr" "vaarg" "vanext") 'words) . font-lock-keyword-face)
    ;; Control instructions
-   '("\\bret\\b\\|\\bbr\\b\\|\\bswitch\\b\\|\\binvoke\\b\\|\\bunwind\\b\\|\\bunreachable\\b" . font-lock-keyword-face)
+   `(,(regexp-opt '("ret" "br" "switch" "invoke" "unwind" "unreachable") 'words) . font-lock-keyword-face)
    ;; Memory operators
-   '("\\bmalloc\\b\\|\\balloca\\b\\|\\bfree\\b\\|\\bload\\b\\|\\bstore\\b\\|\\bgetelementptr\\b" . font-lock-keyword-face)
+   `(,(regexp-opt '("malloc" "alloca" "free" "load" "store" "getelementptr") 'words) . font-lock-keyword-face)
    )
   "Syntax highlighting for LLVM"
   )
diff --git a/utils/emacs/tablegen-mode.el b/utils/emacs/tablegen-mode.el
index 833c16c599d..3853ce66a28 100644
--- a/utils/emacs/tablegen-mode.el
+++ b/utils/emacs/tablegen-mode.el
@@ -12,13 +12,11 @@
 (make-face 'td-decorators-face)
 
 (defvar tablegen-font-lock-keywords
-  (let ((kw (mapconcat 'identity
-                       '("class" "defm" "def" "field" "include" "in"
+  (let ((kw (regexp-opt '("class" "defm" "def" "field" "include" "in"
                          "let" "multiclass")
-                       "\\|"))
-        (type-kw (mapconcat 'identity
-                            '("bit" "bits" "code" "dag" "int" "list" "string")
-                            "\\|"))
+                        'words))
+        (type-kw (regexp-opt '("bit" "bits" "code" "dag" "int" "list" "string")
+                             'words))
         )
     (list
      ;; Comments
@@ -36,10 +34,10 @@
 
      '("^[ \t]*\\(@.+\\)" 1 'td-decorators-face)
      ;; Keywords
-     (cons (concat "\\<\\(" kw "\\)\\>[ \n\t(]") 1)
+     (cons (concat kw "[ \n\t(]") 1)
 
      ;; Type keywords
-     (cons (concat "\\<\\(" type-kw "\\)[ \n\t(]") 1)
+     (cons (concat type-kw "[ \n\t(]") 1)
      ))
   "Additional expressions to highlight in TableGen mode.")
 (put 'tablegen-mode 'font-lock-defaults '(tablegen-font-lock-keywords))